Defense Technology First Defense 1.3% MK-4 Stream OC Aerosol

Defense Technology® First Defense® OC Aerosols are produced in an ISO rated manufacturing facility.

The MK-4 is an ideal size for patrol officers to wear on a duty belt and will deliver 20-25 short bursts of OC at an effective range of 10-12 ft. This 1.3% MC OC aerosol product utilizes a stream delivery method providing a target-specific, strong concentrated stream for greater standoff.

Non-flammable / Electronic Discharge Weapon (EDW) safe

The 3 oz. MK-4 canister will deliver 20-25 short bursts of OC at an effective range of 10-12 ft.

Our warehouse and call center will be closed for inventory starting Tuesday 09/26 at noon, we will reopen for normal business hours on Thursday 09/28.All express orders placed on Tuesday 09/26 must be placed by 10:30am to be shipped out the same day. No express orders will be shipped out on Wednesday 09/27. The Coatesville,PA Showroom will still be open normal business hours. We apologize for any inconvenience.